ABB 1SVR730784R3300 CM-PSS.41S Three-Phase Monitoring Relay 2 C/O 0.1-30s 3×400V AC Phase Monitoring Relay

The ABB CM-PSS.41S (SKU: 1SVR730784R3300) is a three-phase monitoring relay designed to protect industrial equipment from phase faults, offering reliable detection of phase failure, phase sequence errors, and phase asymmetry on 3×400V AC networks. Featuring two changeover output contacts and an adjustable time delay of 0.1 to 30 seconds, the CM-PSS.41S is engineered for demanding industrial automation and control panel applications where motor and load protection is critical.

Technical Specifications

Certifications & Standards

• CE: Compliant with European low-voltage and EMC directives
• UKCA: UK Conformity Assessed for the UK market
• cULus: Listed under UL508 for industrial control equipment (US & Canada)
• UL508: Industrial Control Equipment standard
• DNV GL: Approved for marine and offshore applications
• CCC: China Compulsory Certification for the Chinese market
• CSA / CAN/CSA C22.2 No.14: Canadian Standards Association — industrial control equipment
• IEC/EN63000: Technical documentation for electrical equipment
• IEC/EN60255-27: Measuring relays and protection equipment — product safety requirements
• IEC/EN61000-6-2: Electromagnetic compatibility — immunity for industrial environments
• IEC/EN61000-6-3: Electromagnetic compatibility — emission standard for residential/industrial environments
• IEC60715: Dimensions of low-voltage switchgear and controlgear — DIN rail mounting
• REACH: Compliant with EU REACH regulation on chemical substances
• RoHS: Restriction of Hazardous Substances — compliant with EU RoHS directive